INDIRA GANDHI POLYTECHNIC BELWANDI SUGAR

Department of Civil Engineering

Subject: Advanced Surveying Class: CE4G

Assignment No: 2

Date: 03/01/2017 Submission Date: 10/01/2017

Q.1 Draw a neat sketch of amsler polar planimeter.Name the parts.

Q.2 Write stepwise procedure of measuring area of a figure with a polar planimeter.

Q. 3 What is meant by the zero circle. ?

Q.4 State the advantages of digital planimeter over polar planimeter.

Q.5 List the component parts of digital planimeter.

Q.6 State disadvantages of digital planimeter.

Q. 7 Differentiate between trapezoidal formula & prismoidal formula for computation of volume.

Q. 8 State procedure for computing the volume by trapezoidal formula.

Q. 9 Describe concept of computation of volume by using prismoidal formula.

Q.10 Calculate area of figure from following data:

(i) Initial reading 1.586 (ii) Final reading 0.392 (iii) Multiplying constant 1000 (iv) Additive constant 20

v) Rotation of disc once in reverse direction.

Q.11 A road embankment 600 m long is 12 m wide at the formation level and has the side slope 2:1. The ground level at every 100 m along the centre line are as under.

Distance (m) |
0 |
100 |
200 |
300 |
400 |
500 |
600 |

RL (m) |
204.8 |
206.2 |
207.5 |
207.2 |
208.3 |
208.75 |
209.25 |

The formation level at zero chainage is 207.00 m and embankment has a rising gradient of 1 in 100 .The ground is level across the centre line. Calculate the volume of earth work by i) trapezoidal formula. Ii) prismoidal formula.